Electro-optical device having an anodic oxide film

Details Electro-optical device having an anodic oxide film Electro-optical device having an anodic oxide film

1993-03-30

1995-10-31

Nelms, David C.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 36, 359 54, 359 59, 359 79, 359 87, G02F 113

Patent

active

054634830

ABSTRACT:
In an electro-optical device such as an active matrix liquid crystal display, an aluminum gate wiring or a wiring equivalent thereto is used as one electrode of an auxiliary capacitor, a pixel electrode is used as the other electrode, and an oxide film having high dielectric constant which is obtained by subjecting the gate wiring or the wiring equivalent thereto to an anode-oxidation treatment is used as a dielectric material of the capacitor, thereby obtaining an auxiliary (additive) capacitor having large breakdown voltage and large capacitance for stabilizing potential of the pixel electrode.

REFERENCES:
patent: 5162901 (1992-11-01), Shimada et al.
patent: 5187602 (1993-02-01), Ikeda et al.

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